XVI 
Index . 
Figures. 
8. Anatomy of Hazel-wood with reference to Conductivity of Water 
(Holmes). 
9* » >> >> ? i >> 
IO * >} » JJ ?> 5) 
1. Diagram from a model of the megasporange of Mazocarpon (Benson) 
2. A diagram constructed from two successive nearly horizontal sections 
through a megasporange on a bract (Benson) 
3. Mazocarpon microsporange. A vertical section through the distal part 
of the sporange-wall where it is free from the bract (Benson) 
4. A and b. Reconstruction of parts of the mega- and microsporangial 
cones of Mazocarpon (Sigillaria) showing the relative size and form 
of the sporangia (Benson). 
[, 2. Influence of Immersion in Certain Electrolytic Solutions upon Per¬ 
meability of Plant Cells (Williams). 
1-3. Cell-regeneration in Botrytis cinerea (Brierley) . . . 
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564 
565 
5 66 
57i 
573 
577 
584 
597 
603 
